773-247

Ensure your heating system operates safely and efficiently with this high-quality Air Proving Pressure Switch. Designed for modern gas furnaces, this component monitors the negative pressure generated by the draft inducer motor, acting as a critical safety mechanism. If the airflow is insufficient or venting is blocked, the switch prevents the ignition cycle, protecting your home from potential hazards. This durable replacement part is essential for resolving common furnace issues like ignition failure or system lockout codes. Whether you are performing routine HVAC maintenance or repairing a non-starting unit, this -0.9" WC pressure switch provides the reliable performance needed for optimal residential climate control.
Type: Air Pressure Switch
Size: Small
Application: Used in residential gas furnaces and HVAC systems to verify proper venting and inducer motor operation before allowing ignition.
Specifications: Pressure Setting: -0.9" WC (Water Column); Function: Air Proving and Safety Interlock; Component Type: Vacuum Sensing Switch.